Refactor most recently used window tracking into a separate class.

chrome/browser/ui/window_sizer/window_sizer_ash.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/window_sizer/window_sizer.h"
 
 #include "ash/ash_switches.h"
 #include "ash/shell.h"
-#include "ash/wm/window_cycle_controller.h"
+#include "ash/wm/mru_window_tracker.h"
 #include "ash/wm/window_util.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_list.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/fullscreen/fullscreen_controller.h"
 #include "chrome/browser/ui/host_desktop.h"
 #include "ui/aura/root_window.h"
@@ skipping 45 matching lines @@
 aura::Window* GetTopWindow(const gfx::Rect& bounds_in_screen) {
   // Get the active window.
   aura::Window* window = ash::wm::GetActiveWindow();
   if (window && window->type() == aura::client::WINDOW_TYPE_NORMAL &&
       window->IsVisible() && IsValidToplevelWindow(window, bounds_in_screen)) {
     return window;
   }
 
   // Get a list of all windows.
   const std::vector<aura::Window*> windows =
-      ash::WindowCycleController::BuildWindowList(NULL, false);
+      ash::MruWindowTracker::BuildWindowList(false);
 
   if (windows.empty())
     return NULL;
 
   aura::Window::Windows::const_iterator iter = windows.begin();
   // Find the index of the current window.
   if (window)
     iter = std::find(windows.begin(), windows.end(), window);
 
   int index = (iter == windows.end()) ? 0 : (iter - windows.begin());
@@ skipping 180 matching lines @@
   if (default_width > kMaximumWindowWidth) {
     // The window should get centered on the screen and not follow the grid.
     offset_x = (work_area.width() - kMaximumWindowWidth) / 2;
     default_width = kMaximumWindowWidth;
   }
   default_bounds->SetRect(work_area.x() + offset_x,
                           work_area.y() + kDesktopBorderSize,
                           default_width,
                           default_height);
 }